@article{ref1,
title="Problems in heart penetrating gunshot wounds",
journal="Langenbecks archiv fur klinische chirurgie",
year="1972",
author="Rolle, J. and Ruge, U. and Streicher, H. J.",
volume="219",
number="4",
pages="313-315",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0174-4542",
doi="",
url="http://dx.doi.org/"
}